Pratt & Whitney T73
| T73/JFTD12 | |
|---|---|
| JFTD12-4A mounted on an Erickson S-64E Aircrane | |
| Type | Turboshaft |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
| Major applications | Sikorsky CH-54 Tarhe Sikorsky S-64 Skycrane |
| Number built | 352 |
| Developed from | Pratt & Whitney JT12 |
The Pratt & Whitney T73 (company designation JFTD12) is a turboshaft engine. Based on the JT12A, the T73 powered the Sikorsky CH-54 Tarhe and its civil counterpart Sikorsky S-64 Skycrane flying crane heavy-lift helicopters. Turboshaft versions for naval use are known as the FT12, and have been used on the Iroquois-class destroyer.